28479924

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 83182176

約数和(自身を除く): 54702252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 61, 66, 81, 99, 108, 122, 131, 132, 162, 183, 198, 244, 262, 297, 324, 366, 393, 396, 524, 549, 594, 671, 732, 786, 891, 1098, 1179, 1188, 1342, 1441, 1572, 1647, 1782, 2013, 2196, 2358, 2684, 2882, 3294, 3537, 3564, 4026, 4323, 4716, 4941, 5764, 6039, 6588, 7074, 7991, 8052, 8646, 9882, 10611, 12078, 12969, 14148, 15982, 17292, 18117, 19764, 21222, 23973, 24156, 25938, 31964, 36234, 38907, 42444, 47946, 51876, 54351, 71919, 72468, 77814, 87901, 95892, 108702, 116721, 143838, 155628, 175802, 215757, 217404, 233442, 263703, 287676, 351604, 431514, 466884, 527406, 647271, 791109, 863028, 1054812, 1294542, 1582218, 2373327, 2589084, 3164436, 4746654, 7119981, 9493308, 14239962, 28479924]

約数ペア:

[(1, 28479924), (2, 14239962), (3, 9493308), (4, 7119981), (6, 4746654), (9, 3164436), (11, 2589084), (12, 2373327), (18, 1582218), (22, 1294542), (27, 1054812), (33, 863028), (36, 791109), (44, 647271), (54, 527406), (61, 466884), (66, 431514), (81, 351604), (99, 287676), (108, 263703), (122, 233442), (131, 217404), (132, 215757), (162, 175802), (183, 155628), (198, 143838), (244, 116721), (262, 108702), (297, 95892), (324, 87901), (366, 77814), (393, 72468), (396, 71919), (524, 54351), (549, 51876), (594, 47946), (671, 42444), (732, 38907), (786, 36234), (891, 31964), (1098, 25938), (1179, 24156), (1188, 23973), (1342, 21222), (1441, 19764), (1572, 18117), (1647, 17292), (1782, 15982), (2013, 14148), (2196, 12969), (2358, 12078), (2684, 10611), (2882, 9882), (3294, 8646), (3537, 8052), (3564, 7991), (4026, 7074), (4323, 6588), (4716, 6039), (4941, 5764)]